cs1w-srm21 Omron Corporation, cs1w-srm21 Datasheet - Page 2

• Manufacturer Part Number: cs1w-srm21
• Description: Cs-series Compobus/s Master Unit
• Manufacturer: Omron Corporation

Communication Specifications
Ordering Information
International Standards
Specifications
* Uses Special I/O Unit Area (in CIO Area).
Communications method
Communications baud rate
Modulation method
Coding method
Error control checks
Cable
Communications
distance
CS1 Special
I/O Units
• The standards indicated in the "Standards" column are those current for UL, CSA, cULus, cUL, NK, and Lloyd standards and EC Directives as
•
Applicable PLC models
Unit type
Internal current consumption
Weight
I/O points
Allocated words *
No. of mountable Master Units
Node address
No. of connectable Slaves
Status information
of the end of October 2008. (The standards are abbreviated as follows: U: UL, U1: UL Class I Division 2 Products for Hazardous Locations, C:
CSA, US: cULus Class I Division 2 Products for Hazardous Locations, CU: cUL, N: NK, L: Lloyd, and CE: EC Directives.
Ask your OMRON representatives for the conditions under which the standards were met.
Unit type
CompoBus/S
Master Unit
Name
VCTF cable (JIS C 3306)
Special Flat Cable
2-conductor VCTF cable
4-conductor VCTF cable
Special Flat Cable
Item
Remote I/O
communications
Communications
CS-series PLCs
CS1 Special I/O Unit
5 VDC, 150 mA max.
167g max.
256 (128 inputs and 128 outputs)
20 words (8 for inputs, 8 for outputs, 4 for status)
95
8 addresses per node
32
Communications Error Flags, Participation Flags
functions
Special CompoBus/S protocol
High-speed Communications Mode: 750 kbps
Long-distance Communications Mode: 93.75 kbps
Baseband method
Manchester coding method
Manchester code check, frame length check, and parity check
Two 0.75 mm
Four 0.75 mm
Four 0.75 mm
High-speed Communications Mode
Main line length:
Branch line length:
Total branch line length:
Long-distance Communications Mode
Main line length:
Branch line length:
Total branch line length:
High-speed Communications Mode
Main line length:
Branch line length:
Total branch line length:
Long-distance Communications Mode: Flexibly branched, provided that the total length of cable is a maximum
of 200 m.
High-speed Communications Mode
Main line length:
Branch line length:
Total branch line length:
When 4-conductor VCTF cable or Special Flat Cable is used to connect fewer than 16 Slaves, the main line can
be up to 100 m long and the total branch line length can be up to 50 m in High-speed Communications Mode.
Long-distance Communications Mode: Flexibly branched, provided that the total length of cable is a maximum
of 200 m.
256 max.
(128 inputs and 128 outputs)
128 max.
(64 inputs and 64 outputs)
Specifications
No. of I/O points
2
2
2
conductors (2 signal wires)
conductors (2 signal wires and 2 power supply wires)
conductors (2 signal wires and 2 power supply wires)
100 m max.
3 m max.
50 m max.
500 m max.
6 m max.
120 m max.
30 m max.
3 m max.
30 m max.
30 m max.
3 m max.
30 m max.
per CPU Unit
mountable
Max. Units
95
96
Specification
128 (64 inputs and 64 outputs)
10 words (4 for inputs, 4 for outputs, 2 for status)
96
No. of unit
allocated
numbers
2
1
consumption (A)
0.15
5 V
Current
24 V
−
CS1W-SRM21
CS1W-SRM21 U, C, CE
Model
Standards
2